10-25-2016 Epoxy topping on deck

Joe Warren Construction has crew of 2 on site compacting fill on east end of bridge. County Materials has crew of 8, and representative from Dayton Superior on site. Cleaning and preparing deck for epoxy topping placement. Mixing 1 gallon of parts A and B, mix for 3 minutes, then pouring on deck in a sweeping motion. Then it's spread out with sawtooth squeegee. Manufacturer representative working with County on placement and spreading out material. The abrasive aggregate is then spread by hand over the epoxy, with over spreading such that excess material will need to be swept off. 9:45 - 1st coat down on approximately half of bridge deck. Finished placing epoxy for 1st coat at 10:15, aggregate down ar 10:18. Waiting for 1st coat to cure, then will sweep excess aggregate off and begin 2nd coat. Warren Construction continuing to place, spread, and compact embankment on east end of bridge. 1:30 - began sweeping excess aggregate from east end I preparation for 2nd coat of epoxy. 4:10 - began mixing epoxy for 2nd coat; began placing at 4:15. 5:00 - 2nd coat epoxy approximately half way across deck. Finished placing 2nd coat at 5:38. Joe essentially completed embankment on east end - needs to dress side slopes and do some shaping.

10-05-2016 Pour backwalls

I arrived on site at 8:19 for 9:00 concrete pour. No one was on site when I arrived. I spoke with Contractor - will pour backwalls thus mirning, but pour pushed back to 10:30 or 11 due to rain. Crew of 3 arrived on site at 9:45 and finished setting forms and chamfers to pour backwalls. Concrete is ordered for 11:30. Checked steel and firms, look good. 10:45 - crew of 3 from County Materials arrived on site and began setting up to drill cores in west end. Concrete on site at 11:27. Sampled and tested. Air =6.4%, slump = 3.25", temp =72, air temp = 71. 3 cylinders made. Began pouring east back and wing walls with bucket at 11:42. Finished pouring east end at 12:30. Concrete in the chute was setting up. Contractor decided to scrap the rest of the truck and ordered a new truck for the west end. Concrete for east back and wing walls on site at 1:24. Sampled and tested. Air =6.6%, slump = 5.25", temp = 70, air temp = 71. Joe Warren accepted load with 5.25" slump with final acceptance to be based on meeting 28 day strength. Began placing at 1:30, finished at 1:50. Talked to CB Alexander: decided not to core around lifting cabkes. They will grind smooth and flush and seal coat. I let County Materials know.

No one on site when I arrived

County Materials preparing to core west end for bolts

Pouring east back wall and wing walls

Pouring east back and wing walls

Site visit-Pour Bent 1 Cap

 Contractor was finishing up form work for Bent 1 cap, Concrete arrived and i tested it. Slump: 4", Air: 6.0%, Temp:85°. made three cylinders.

 Bent 2 after forms had been removed.

 Pour went good

 putting the final touches to the concrete.

Site Visit-Bent 2 Cap Pour

 Contractor was ready to Pour Bent 2 Cap, I checked the steel placement and form work. Concrete was on site at 1:47pm, I tested concrete. Slump: 41/2", Air: 6%, Temp: 80°. I made 3 cylinders, pour went good.

Contractor will try pouring Bent 1 Cap on Friday.